Which returned more over the last year, IYR or MDY?

In the year to Sep 12, 2026, with distributions reinvested, IYR returned +4.7% and MDY returned +13.0%, so MDY returned more. One year is one year; the longer windows are in the table.

Which is cheaper, IYR or MDY?

IYR charges 0.37% a year and MDY charges 0.23%, so MDY is cheaper. Fees come from each fund's prospectus.

How much do IYR and MDY overlap with the S&P 500?

By their latest filed holdings, 80% of IYR and 0% of MDY by weight is stocks the S&P 500 already holds. Between the two funds, 6% of their books are the same securities at the same weight.

Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

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IYR vs MDY: how they differ

IYR and MDY hold 6% of their weight in the same names, and MDY returned more over the year.

iShares U.S. Real Estate ETF and SPDR S&P MidCap 400 ETF Trust.

What they hold in common

By the books each fund has filed, IYR and MDY hold 6% of their money in the same securities at the same weight.

Positions IYR and MDY both hold, largest shared weight first
Holding	IYR	MDY
ANNALY CAPITAL MANAGEMENT, INC.	1.22%	0.45%
W.P. CAREY INC.	1.18%	0.44%
JONES LANG LASALLE INCORPORATED	1.07%	0.40%
OMEGA HEALTHCARE INVESTORS, INC.	1.05%	0.39%
LAMAR ADVERTISING COMPANY	1.01%	0.38%
Gaming and Leisure Properties, Inc.	0.94%	0.35%
EQUITY LIFESTYLE PROPERTIES, INC.	0.93%	0.34%
EASTGROUP PROPERTIES, INC.	0.81%	0.30%
AMERICAN HOMES 4 RENT	0.79%	0.29%
BRIXMOR PROPERTY GROUP INC.	0.72%	0.27%
AGREE REALTY CORPORATION	0.68%	0.25%
CUBESMART	0.67%	0.25%

Largest positions each one holds and the other does not
Only in IYR	Only in MDY
WELLTOWER INC. 10.88%	TWILIO INC 0.86%
PROLOGIS, INC. 8.77%	CARPENTER TECHNOLOGY CORP 0.85%
SIMON PROPERTY GROUP, INC. 4.79%	MKS INC 0.83%
EQUINIX, INC. 4.58%	CURTISS-WRIGHT CORP 0.77%
DIGITAL REALTY TRUST, INC. 4.41%	ENTEGRIS INC 0.76%
REALTY INCOME CORPORATION 4.29%	NVENT ELECTRIC PLC 0.76%
AMERICAN TOWER CORPORATION 3.88%	ATI INC 0.74%
PUBLIC STORAGE. 3.74%	ILLUMINA INC 0.73%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026.

IYR and MDY on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	IYR iShares U.S. Real Estate ETF	MDY SPDR S&P MidCap 400 ETF Trust
Where it sits	Core index fund	Core index fund
Issuer	iShares	State Street
What it is	U.S. Real Estate	S&P MidCap 400, book from IJH
Total return, 1 year	+4.7%	+13.0%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−12.8 pts	−4.5 pts
Expense ratio	0.37%	0.23%
Already in the S&P 500	80.4%	0.0%
Holdings	61	400

IYR in plain words

IYR is an index equity fund tracking the U.S. Real Estate. Over the year to Sep 11, 2026 it returned +4.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.37% a year. By its holdings filed for Jun 30, 2026, 80% of the fund by weight is stocks the S&P 500 also holds, across 61 positions, with the top ten at 51.5%. It sat 6.1% below its high of Jul 28, 2026 on Sep 11, 2026.

MDY in plain words

MDY is an index equity fund tracking the S&P MidCap 400. Over the year to Sep 11, 2026 it returned +13.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.23% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 400 positions, with the top ten at 7.7%. It sat 5.3% below its high of Aug 14, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, IYR or MDY?: In the year to Sep 12, 2026, with distributions reinvested, IYR returned +4.7% and MDY returned +13.0%, so MDY returned more. One year is one year; the longer windows are in the table.
Which is cheaper, IYR or MDY?: IYR charges 0.37% a year and MDY charges 0.23%, so MDY is cheaper. Fees come from each fund's prospectus.
How much do IYR and MDY overlap with the S&P 500?: By their latest filed holdings, 80% of IYR and 0% of MDY by weight is stocks the S&P 500 already holds. Between the two funds, 6% of their books are the same securities at the same weight.

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Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

IYR against MDY, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, IYR against MDY, data as of Sep 12, 2026. https://etfiq.com/compare/any/IYR-MDY Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources